Dumbbell holding device



FIG. 1 is a perspective view of a dumbbell holding device;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof, the right-side view being a mirror image thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an environmental view thereof.

Structure and environment shown in broken lines form no part of the claimed design.

The dumbbell holding device is shown with symbolic breaks in its length and its width. The appearance of any portion of the article between the break lines form no part of the claimed design. 

CLAIM The ornamental design for a dumbbell holding device, as shown and described. 